Author Topic: M42 Vs M44 injectors (Read 13305 times)

m44power · « **on:** June 02, 2007, 08:53:33 PM »

m42 Vs m44 injectors does anyone knows something about it ? characteristics and some more info im curently running m44 wiring and ECU with M42 injectors i think there is a little problem

kowalski · « **Reply #1 on:** June 03, 2007, 07:45:40 AM »

what are you experiencing that makes you think thats the problem?

m44power · « **Reply #2 on:** June 03, 2007, 09:43:32 AM »

bad contition of injectors and the difference of m44 injectors with air inlet (im running m42 injectors) . and bad mixture im thinking to use some euro m3 evo (3.2ltr) injectors what do you guys think about it ?

kowalski · « **Reply #3 on:** June 03, 2007, 12:29:37 PM »

i would say that its just the condition of the injectors then. Perhaps they don't flow enough for the m44, whats the fuel presure of the m44 system and what are the stock injectors rated at?

m44power · « **Reply #4 on:** June 03, 2007, 02:46:32 PM »

fuel pressure its 3bar i have cleaned my injectors but i think it is in a bad contition . i dont know the rate of m44 injectors and dont even know the bosch part number to find out

Tor Arne Kaasen · « **Reply #5 on:** June 04, 2007, 08:50:30 AM »

the bosch nr i on the side of the injectors.

m44power · « **Reply #6 on:** June 04, 2007, 02:21:25 PM »

Quote from: Tor Arne Kaasen;27071

the bosch nr i on the side of the injectors.

i know that but i have not m44 injectors! and i need to find the number to compare with this
http://users.erols.com/srweiss/tableifc.htm

Tor Arne Kaasen · « **Reply #7 on:** June 05, 2007, 01:48:36 PM »

I think the size is 19#

NEW Ford Racing 19# 14 Ohms Brand new 4/Set: $165.
Original Equipment replacement fuel injectors - Will help increase horsepower in a stock engine. These injectors are flow balanced to within 1% of mfg. specification.

se http://www.fiveomotorsport.com/Injector_SetsMODS.asp#bosch19
ore
0280155710-F6VE
Design III Upgrade
This Bosch/Ford fuel injector is an updated, BMW original equipment replacement for the older pintle-type 0280150714, 0280150203, and 0280150778.

i guess

Tor Arne Kaasen · « **Reply #8 on:** June 06, 2007, 02:52:06 PM »

i think the difrence in that the old m42 injectors use the pintle-type and the new m44 uses disc with 4 holes. This result in diffrenc spray pattern and better atomisation off the fuel.

kowalski · « **Reply #9 on:** June 06, 2007, 03:33:59 PM »

that looks about right. there is however also 19 lb ford injectors out of the 5L mustang that have the 4 pintle spray patter as well.

m44power · « **Reply #10 on:** June 06, 2007, 03:52:11 PM »

my injectors its completly different without any plastic bottom i gone post some pics of it maybe the euro 318is is different
is there a m44 guy to check his injectors numbers ? to be sure

nuvolarossa · « **Reply #11 on:** June 06, 2007, 04:58:20 PM »

Quote from: m44power;27007

m42 Vs m44 injectors does anyone knows something about it ? characteristics and some more info im curently running m44 wiring and ECU with M42 injectors i think there is a little problem

Hi, all that I can say now is that they have same impedance and same flow, but the diameter is different: the M44's are bigger diameter, and they are shorter to than a m42 injector. Do you have another manifold, or adapters, because the M42 injectors don't fit with m42 manifold and vice-versa.. bye

m44power · « **Reply #12 on:** June 06, 2007, 05:13:05 PM »

i have the top manifold of m44 and the bottom of an m42 and this is about metalic DISA and larger tubes are you sure is there same impedance and same flow?

nuvolarossa · « **Reply #13 on:** June 06, 2007, 05:23:09 PM »

Quote from: m44power;27231

i have the top manifold of m44 and the bottom of an m42 and this is about metalic DISA and larger tubes are you sure is there same impedance and same flow?

Impedance and flow I'm sure at 100%.. can't remember the exact numbers because I'm not at home now, but they are exactly same impedance and same flow. I had them connected and the m44 ecu gave not a error;)
I don't know about disa, but what tubes are you talking about? M42 inj aren't air shrouded... so what tubes?

Tor Arne Kaasen · « **Reply #14 on:** June 06, 2007, 11:27:09 PM »

this is a Lucas from 316i 96mod.
They are shorter. but vil fitt in standar bosch fuel rail.
I think my E46 320 99mod uses lucas to.